Home
Class 12
PHYSICS
A particle is moving eastward with veloc...

A particle is moving eastward with velocity of `5 m/s`. In 10 seconds, the velocity change to `5 m/s` north wards. The average acceleration in this time

A

`1/ sqrt2 m/s^2` north west

B

`1/ sqrt 2 m/s^2` north east

C

`1/ sqrt 2 m/ sec^2` north-west

D

`1/sqrt 2 m/sec^2` north.

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • THERMODYNAMICS

    MBD PUBLICATION|Exercise QUESTION BANK|338 Videos

  • WAVE OPTICS

    MBD PUBLICATION|Exercise QUESTION BANK|218 Videos

Similar Questions

Explore conceptually related problems

A bullet is fired from a rifle with velocity of 750 m/s. If the length of the rifle barrel is 60 cm. Calculate the average acceleration.

Bulltes of 0.03 kg mass each hit a plate at the rate of 200 bullets per second, with a velocity of 50 m/s and reflect back with a velocity of 30 m/s. The average force acting on one plate (in Newton) is

A particle is moving along a circular parth of radius 5m with uniform speed of 5m/s. What will be the average acceleration when the particle completes half revolution ?

A body moves along a straight line with acceleration 3m/s^2 for 2 seconds and then with acceleration 4 m/s^2 for 3 seconds . What is the average acceleration

A cricket ball of mass 250 g collides with a bat with velocity of 10 m/s and returns with the same velocity in 0.01s. The force acting on the bat is

A body is projected upwards with a velocity of 19.6 m/s. Find the time of ascend. G = 9.8 m / s^2 .

MBD PUBLICATION-VECTOR ANALYSIS-QUESTION BANK
  1. If unit vector is represented by 0.5 hati +0. 8 hat j + c hat k, then ...

    Text Solution

    |

  2. A truck is moving due north at 30 m/s runs west and travels in the sam...

    Text Solution

    |

  3. A particle is moving eastward with velocity of 5 m/s. In 10 seconds, t...

    Text Solution

    |

  4. A river is flowing from west to east at a speed of 5 metres per minute...

    Text Solution

    |

  5. A boat which has a speed of 5 km/hr in still water crosses a river of ...

    Text Solution

    |

  6. A rocket trevelling at the speed of 500m/s ejects it's product of comb...

    Text Solution

    |

  7. Resultant of two vectors vec F 1 and vec F 2 is of magnitude vec p . I...

    Text Solution

    |

  8. The diagonals of a parallelogram are 2hati and 2hatj . What is the are...

    Text Solution

    |

  9. Two forces vec p and vec Q have a resultant perpendicular to vec p. Th...

    Text Solution

    |

  10. If a vector 2 hati + 3 hat j + 8 hat k is perpendicular to the vector ...

    Text Solution

    |

  11. If vec A and vec B are two vectors given by vec A = 2 hati +3 hat j an...

    Text Solution

    |

  12. A blind person after walking10 steps in one direction each of length 8...

    Text Solution

    |

  13. A particle is moving eastward with a velocity of 5 m/s. In 10 seconds,...

    Text Solution

    |

  14. If vec A = vec B +vec C ,vec A,vec B and vec C are 5,4,3 units, the an...

    Text Solution

    |

  15. The resultant of two forces at right engles is 5 N. When the angle bet...

    Text Solution

    |

  16. If the sum of two unit vector is also unit vector, then magnitude of t...

    Text Solution

    |

  17. What vector must be added to the sum of two vectors 2 hati - hat j + 3...

    Text Solution

    |

  18. A body of mass 2 kg moving along north east direction with a speed of ...

    Text Solution

    |

  19. A boat taken two hours to travel 8 km and back in still water lake. If...

    Text Solution

    |

  20. A bus is going due north at a speed of 30 km/h. It makes a 90^@ left t...

    Text Solution

    |